Rivière· 11 segments
La Romanche
Crosses 2 administrative regions : Hautes-Alpes, Isère
Total length
75km
Max discharge
19,9m³/s
Max Strahler
4
Segments matched
11
River geography2 admin regions · 16 communes
2 administrative regions crossed (GADM L2)
- IsèreAuvergne-Rhône-Alpes · France18.6 kmin this dpt
- Hautes-AlpesProvence-Alpes-Côte d'Azur · France11.1 kmin this dpt
16 communes (L5)For countries with L5
- La Grave7.92 km
- Livet-et-Gavet6.18 km
- Saint-Barthélemy-de-Séchilienne4.73 km
- Villar-d'Arêne3.17 km
- Séchilienne2.51 km
- Jarrie1.80 km
- Vizille1.79 km
- Varces-Allières-et-Risset0.77 km
- Montchaboud0.75 km
- Champ-sur-Drac0.10 km
- Laffrey0.00 km
- Champagnier0.00 km
- Saint-Pierre-de-Mésage0.00 km
- Mizoën0.00 km
- Notre-Dame-de-Mésage0.00 km
- La Morte0.00 km
7 intersecting protected areas
National Park - Buffer zone/Area of adhesion
Ecrins
IUCN IINational Park - Core Area
Les Ecrins
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Combeynot - Lautaret - Ecrins
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Plateau d'Emparis - Goleon
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Marais à Laiche bicolore, prairies de fauche et habitats rocheux du Vallon du Ferrand et du Plateau d'Emparis
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Isles Du Drac
IUCN IVRegional Nature Reserve
1 page = 1 named river (aggregation of 11 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
3 201 distinct species · 93 823 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 46 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Indicateurs du tissu écologique
Tissu écologique de La Romanche : 42 espèces + 4 bulles famille, 71 interactions GloBI documentées sur 6 types (connectance 6.9%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
75km
Max discharge
19,9m³/s
Max Strahler
4
Segments matched
11
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.